<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<title>arm_nn_mat_mul_kernel_s16.c File Reference</title>
<title>CMSIS-NN: arm_nn_mat_mul_kernel_s16.c File Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="cmsis.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<script type="text/javascript" src="printComponentTabs.js"></script>
<script type="text/javascript" src="cmsis_footer.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
  $(document).ready(initResizable);
  $(window).load(resizeHeight);
</script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
  $(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 46px;">
  <td id="projectlogo"><img alt="Logo" src="CMSIS_Logo_Final.png"/></td>
  <td style="padding-left: 0.5em;">
   <div id="projectname">CMSIS-NN
   &#160;<span id="projectnumber">Version 3.1.0</span>
   </div>
   <div id="projectbrief">CMSIS NN Software Library</div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<div id="CMSISnav" class="tabs1">
    <ul class="tablist">
      <script type="text/javascript">
		<!--
		writeComponentTabs.call(this);
		//-->
      </script>
	  </ul>
</div>
<!-- Generated by Doxygen 1.8.6 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
  <div id="navrow1" class="tabs">
    <ul class="tablist">
      <li><a href="index.html"><span>Main&#160;Page</span></a></li>
      <li><a href="pages.html"><span>Usage&#160;and&#160;Description</span></a></li>
      <li><a href="modules.html"><span>Reference</span></a></li>
      <li>
        <div id="MSearchBox" class="MSearchBoxInactive">
        <span class="left">
          <img id="MSearchSelect" src="search/mag_sel.png"
               onmouseover="return searchBox.OnSearchSelectShow()"
               onmouseout="return searchBox.OnSearchSelectHide()"
               alt=""/>
          <input type="text" id="MSearchField" value="Search" accesskey="S"
               onfocus="searchBox.OnSearchFieldFocus(true)" 
               onblur="searchBox.OnSearchFieldFocus(false)" 
               onkeyup="searchBox.OnSearchFieldChange(event)"/>
          </span><span class="right">
            <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
          </span>
        </div>
      </li>
    </ul>
  </div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
  <div id="nav-tree">
    <div id="nav-tree-contents">
      <div id="nav-sync" class="sync"></div>
    </div>
  </div>
  <div id="splitbar" style="-moz-user-select:none;" 
       class="ui-resizable-handle">
  </div>
</div>
<script type="text/javascript">
$(document).ready(function(){initNavTree('arm__nn__mat__mul__kernel__s16_8c.html','');});
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark">&#160;</span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark">&#160;</span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark">&#160;</span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark">&#160;</span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark">&#160;</span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark">&#160;</span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark">&#160;</span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark">&#160;</span>Macros</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark">&#160;</span>Groups</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark">&#160;</span>Pages</a></div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div class="header">
  <div class="summary">
<a href="#func-members">Functions</a>  </div>
  <div class="headertitle">
<div class="title">arm_nn_mat_mul_kernel_s16.c File Reference</div>  </div>
</div><!--header-->
<div class="contents">
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a674055a9eeb7299669c8c4b6532de342"><td class="memItemLeft" align="right" valign="top">q15_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__nn__mat__mul__kernel__s16_8c.html#a674055a9eeb7299669c8c4b6532de342">arm_nn_mat_mult_kernel_s16</a> (const q7_t *input_a, const q15_t *input_b, const int32_t output_ch, const int32_t *out_shift, const int32_t *out_mult, const int16_t activation_min, const int16_t activation_max, const int32_t num_col_a, const int64_t *const output_bias, q15_t *out_0)</td></tr>
<tr class="memdesc:a674055a9eeb7299669c8c4b6532de342"><td class="mdescLeft">&#160;</td><td class="mdescRight">Matrix-multiplication function for convolution with per-channel requantization for 16 bits convolution.  <a href="#a674055a9eeb7299669c8c4b6532de342">More...</a><br/></td></tr>
<tr class="separator:a674055a9eeb7299669c8c4b6532de342"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="a674055a9eeb7299669c8c4b6532de342"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">q15_t* arm_nn_mat_mult_kernel_s16 </td>
          <td>(</td>
          <td class="paramtype">const q7_t *&#160;</td>
          <td class="paramname"><em>input_a</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const q15_t *&#160;</td>
          <td class="paramname"><em>input_b</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const int32_t&#160;</td>
          <td class="paramname"><em>output_ch</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const int32_t *&#160;</td>
          <td class="paramname"><em>out_shift</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const int32_t *&#160;</td>
          <td class="paramname"><em>out_mult</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const int16_t&#160;</td>
          <td class="paramname"><em>activation_min</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const int16_t&#160;</td>
          <td class="paramname"><em>activation_max</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const int32_t&#160;</td>
          <td class="paramname"><em>num_col_a</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const int64_t *const&#160;</td>
          <td class="paramname"><em>output_bias</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">q15_t *&#160;</td>
          <td class="paramname"><em>out_0</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">input_a</td><td>pointer to operand A </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_b</td><td>pointer to operand B, always consists of 2 vectors. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_ch</td><td>number of rows of A </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">out_shift</td><td>pointer to per output channel requantization shift parameter. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">out_mult</td><td>pointer to per output channel requantization multiplier parameter. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">activation_min</td><td>minimum value to clamp the output to. Range : int16 </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">activation_max</td><td>maximum value to clamp the output to. Range : int16 </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">num_col_a</td><td>number of columns of A </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_bias</td><td>per output channel bias. Range : int64 </td></tr>
    <tr><td class="paramdir">[in,out]</td><td class="paramname">out_0</td><td>pointer to output </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The function returns one of the two<ol type="1">
<li>The incremented output pointer for a successful operation or</li>
<li>NULL if implementation is not available.</li>
</ol>
</dd></dl>
<p>This function does the matrix multiplication of weight matrix for all output channels with 2 columns from im2col and produces two elements/output_channel. The outputs are clamped in the range provided by activation min and max. Supported framework: TensorFlow Lite micro. </p>

<p>References <a class="el" href="arm__nnsupportfunctions_8h.html#afdda94a339b76615d3161e9fc63f4d21">arm_nn_read_q15x2_ia()</a>, <a class="el" href="arm__nnsupportfunctions_8h.html#a6a13b7a567485da5fc7f0d311318886d">arm_nn_requantize()</a>, <a class="el" href="arm__nnsupportfunctions_8h.html#aa03e369b608572b80a4e56e8298a21c0">arm_nn_requantize_s64()</a>, <a class="el" href="arm__nnsupportfunctions_8h.html#ad935f1ff1a50822e317bdb321ce991ad">MAX</a>, <a class="el" href="arm__nnsupportfunctions_8h.html#adcd021ac91d43a62b2cdecf9a5b971a7">MIN</a>, and <a class="el" href="arm__nnsupportfunctions_8h.html#a19343832dbe881d527496171f69dc0c3">REDUCE_MULTIPLIER</a>.</p>

<p>Referenced by <a class="el" href="group__NNConv.html#gadda1e5325d511d56716111548c787a1c">arm_convolve_fast_s16()</a>.</p>

</div>
</div>
</div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
  <ul>
    <li class="navelem"><a class="el" href="dir_06560e3359c5da94845158f0031c08e8.html">NN</a></li><li class="navelem"><a class="el" href="dir_13dc9928808d08450b31fdaf572dfc8e.html">Source</a></li><li class="navelem"><a class="el" href="dir_4ad8c19a899a351ef23a1c3a29886c7d.html">NNSupportFunctions</a></li><li class="navelem"><a class="el" href="arm__nn__mat__mul__kernel__s16_8c.html">arm_nn_mat_mul_kernel_s16.c</a></li>
    <li class="footer">
      <script type="text/javascript">
        <!--
        writeFooter.call(this);
        //-->
      </script>    
    </li>
  </ul>
</div>
</body>
</html>
